City of Adelanto Passes Annual Wastewater Treatment Plant Inspection With No Violations
Left: maintenance is being performed to the airlines in the Biolac basin where the microorganisms consume oxygen for efficient treatment Right: the Vactor truck is cleaning out the influent pump station.

City of Adelanto Passes Annual Wastewater Treatment Plant Inspection With No Violations

ADELANTO – The Adelanto Wastewater Treatment Plant passed it’s annual inspection officials said. The plant services 7389 customers who rely on the proper treatment of wastewater, which is water that is no longer usable. Wastewater includes water used during bathing, washing dishes, flushing the toilet, or water from the runoff of rainwater.


The annual inspection was conducted by two inspectors from the Lahontan Regional Water Quality Control Board (RWQCB). The inspection was conducted on Wednesday, September 5, 2018, and took approximately two hours. No violations were found during the thorough inspection.

“The fact that we are now regularly meeting all state requirements is not just a testament to the knowledgeable staff on site and at the corporate level, but the Plant is well designed and an upgrade in 2012 makes for an efficient operation,” said David Kachelski, Director of Operations, PERC Water Corporation.


In 2010 the plant was accepting more than the capacity flow that it was designed for according to the PERC Water Corporation Director of Operations. At the time the plant was designed to handle 1.5 million gallons per day—MGD—but trying to treat two million gallons per day.

Adelanto officials said that the result was effluent flow containing high solids and causing permit violations to the percolation ponds which then caused the ponds to not percolate and overflow its banks. As a result, the City of Adelanto had to divert these influent flows to Victor Valley Wastewater Reclamation Authority (VVWRA), costing the city nearly $1 million dollars per year.

The City of Adelanto contracted PERC Water Corporation in 2012 and they have since operated the treatment plant. Construction was done to increase the capacity from the 1.5 Million Gallon per Day to 4.0 Million Gallons per Day.  Construction was completed in spring of 2013 and all violations to the city ceased. “We have an obligation to our constituents to ensure that our Treatment Plant will do what it is designed to do and serve the residents and businesses in Adelanto at all times,” said Mayor Rich Kerr.

For more information on the Regional Water Quality Control Board (RWQCB) report, contact Dave Kachelski at:  (714) 887-9794 or by email:

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  • Untitled-design-20: City of Adelanto